X3Studios – Website that lets you quickly and easily generate artsy wallpapers, save them onto your computer and share with others online. You can also check out public library of wallpapers created by others.

GazoPa – Unique similar image search tool that gives a variety of options when it comes to finding images based on similarity. You can upload an image, just draw a rough sketch, supply an image URL or conduct a similar image search using keywords. You could filter search results by color, layout, size, shape and on the basis of its age on the web.